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QJEE MAIN 2025
Two liquids A and B have ${\theta _A}$ and ${\theta _B}$ as contact angles in a capillary tube. If $...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Current passing through a wire as function of time is given as ${\rm{I}}({\rm{t}}) = 0.02{\rm{t}} + 0.01\;{\rm{A}}$. The charge that will flow through the wire...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Considering the Bohr model of hydrogen like atoms, the ratio of the radius of 5th orbit of the electron in ${\rm{L}}{{\rm{i}}^{2 + }}$ and $...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Two infinite identical charged sheets and a charged spherical body of charge density '$\rho$' are arranged as shown in figure. Then the correct relation between...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Which of the following are correct expression for torque acting on a body? A. $\vec \tau = \vec r \times \vec L$ B. $...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Two simple pendulums having lengths ${l_1}$ and ${l_2}$ with negligible string mass undergo angular displacements ${\theta _1}$ and ${\theta _2}$, from their mean positions, respectively....
JEE MainPhysicsEasy
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QJEE MAIN 2025
When an object is placed 40 cm away from a spherical mirror an image of magnification $\frac{1}{2}$ is produced. To obtain an image with magnification...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The kinetic energy needed...
JEE MainPhysicsEasy
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QJEE MAIN 2025
An alternating current is represented by the equation, $i = 100\sqrt 2 \sin (100\pi t)$ ampere. The RMS value of current and the frequency of...
JEE MainPhysicsEasy
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QJEE MAIN 2025
In an electromagnetic system, the quantity representing the ratio of electric flux and magnetic flux has dimension of ${M^P}{L^Q}{T^R}{A^S}$, where value of 'Q' and 'R'...
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